Airtac B01-SDAJ Special Cylinder B01-SDAJ40X35-10
The AirTAC Airtac B01-SDAJ Special Cylinder B01-SDAJ40X35-10 is a genuine double-acting COMPACT cylinder (Ø40mm bore) whose extend end-position is set by an external M12×1.25 adjustment screw. You can dial the stroke anywhere from 25 to 35 mm on the machine — no shims, no part change.
- BoreØ40 mm
- Max stroke35 mm
- Adjustable range25–35 mm
- Adjuster threadM12×1.25
- Port sizePT1/8
- CushionFixed NBR bumper (both ends)
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac B01-SDAJ Special Cylinder B01-SDAJ40X35-10
The B01-SDAJ40X35-10 is an AirTAC compact double-acting single-rod cylinder featuring an external extend stop. The leading B01- prefix marks this as an application-dedicated (customer-specified) variant of the base SDAJ40X35-10, meaning it is mechanically identical to the standard model but grouped for specific customer builds. A fixed NBR bumper decelerates the piston at the end of travel, operating effectively across a 30-500 mm/s speed range.
By turning the R (M12x1.25) adjustment screw, technicians can shorten the extend stroke on-site anywhere between 25 and 35 mm without changing parts. Because the adjuster sets the mechanical stop rather than altering the piston area, output force remains equal to a standard 40 mm bore SDA, delivering about 628.3 N push at 0.5 MPa. The short riveted body saves valuable axial mounting depth where larger profile cylinders cannot fit.
Airtac B01-SDAJ Special Cylinder B01-SDAJ40X35-10 Technical Specifications
| Model | Airtac B01-SDAJ Special Cylinder B01-SDAJ40X35-10 |
|---|---|
| Series | SDAJ compact adjustable-stroke cylinder |
| Bore size | Ø40 mm |
| Max stroke | 35 mm |
| Adjustable range | 25 – 35 mm |
| Adjuster thread (R) | M12×1.25 |
| Port size | PT1/8 |
| Acting type | Double acting |
|---|---|
| Rod end thread | M8×1.25 F / M14×1.5 male (B) |
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 500 mm/s |
| Cushion | Fixed NBR bumper (both ends) |
The adjustment screw shortens the extend stroke by up to 10 mm. Force is unchanged from a standard SDA of the same bore. Specifications follow the official AirTAC SDAJ datasheet.
Theoretical Output Force (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 kgf | |
Force matches a standard SDA of the same bore; the adjuster only sets the stop position, not the area. Actual usable force is lower than theoretical due to friction.
Model Code: Airtac B01-SDAJ Special Cylinder B01-SDAJ40X35-10
| SDAJ | Compact double-acting cylinder with adjustable stroke. |
|---|---|
| 40 | Bore size in mm. |
| ×35 | Maximum stroke length in mm. |
| -10 | Adjustable window (10/20/30/40/50/75/100 mm). |
| S / B | S = magnet; B = male-thread rod (both optional). |
Thread: PT standard. Related SDA-family variants: SDA (fixed stroke), SDAD (double rod), SSA/STA (single acting), SDAT (duplex), SDAW (duplex-end).
Where the Airtac B01-SDAJ Special Cylinder B01-SDAJ40X35-10 Is Used
Trial Positioning Jigs
Dial the extend stop between 25 and 35 mm to find the exact contact point for prototype jigs before locking the R screw, preventing over-travel on delicate test parts.
Changeover Diverters
Quickly tune the 628.3 N push stroke on packaging lines during product format changes, using the external adjuster to set new diverting distances without swapping cylinders.
Short-Stroke Lifters
Lift approximately 32 kg vertically using the 40 mm bore, adjusting the extend stop down to 25 mm to accommodate varying package heights in tight axial spaces.
Is the Airtac B01-SDAJ Special Cylinder B01-SDAJ40X35-10 the Right Cylinder?
When sizing this unit, compare its 628.3 N push at 0.5 MPa against neighbouring bores: stepping down to an SDAJ32 yields 402.1 N, while stepping up to an SDAJ50 provides 981.7 N. Based on the 628.3 N figure, a safe working load is roughly 377 N (about 60 percent capacity), translating to a vertical lift capability of approximately 32 kg with a 2:1 safety margin. This specific SKU lacks the S magnet option and therefore cannot accept reed or electronic switches; if sensing is required, select the -S variant. Confirm your requirements for the PT1/8 port, female M8x1.25 rod-end thread, and the 10 mm adjustment window.
This actuator is ideal for setups requiring frequent on-machine stroke tuning or trial positioning during changeovers. Remember that a plain cylinder does not hold its load when air is lost or the valve is centred—the piston will drift, and the fixed bumper only decelerates near the stroke end rather than acting as a lock. To maintain a held load without live pressure, integrate an external rod lock or a pilot-operated check valve.
Quick checklist
- ✓ Need on-machine stroke fine-tuning?
- ✓ Target position within 25–35 mm
- ✓ Force at your working pressure
- ✓ Access to reach the R adjuster
- ✓ Magnet (S) for sensors?
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Lock the M12×1.25 adjuster after setting the stroke.
- check Avoid side load on the piston rod.
- check Front/rear covers are riveted — do not dismantle.
- check Installation by qualified personnel per AirTAC docs.
Airtac B01-SDAJ Special Cylinder B01-SDAJ40X35-10 FAQ
This 40 mm bore double-acting cylinder delivers 628.3 N push and 527.8 N pull at 0.5 MPa, or 879.6 N push and 738.9 N pull at 0.7 MPa. The theoretical maximum push is 128 kgf at 1.0 MPa. It operates between 0.15 and 1.0 MPa, with a proof pressure of 1.5 MPa, and supports speeds of 30-500 mm/s.
The B01- prefix designates an application-dedicated (customer-specified) line that is mechanically identical to the standard SDAJ40X35-10. The R (M12x1.25) screw shortens the extend stroke by up to 10 mm, allowing you to set the end position anywhere from 25 to 35 mm on the machine. This mechanism only sets the stop and does not alter the force or lock the piston mid-stroke.
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Standard models are processed and dispatched in 3-5 business days.
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